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“The students gave half their 35 participants (average age 24; 27 men) a cup of NeuroSonic (roughly equivalent to one bottle); the other half had a placebo drink designed to taste and look similar. The placebo was a concoction of coconut-pineapple flavored water and strawberry-flavored vitamin supplement. Crucially, the placebo had none of the psycho-active ingredients of NeuroSonic, and no-one was able to identify which drink was which based on appearance or taste.

After a 20-minute wait to allow the NeuroSonic drink to exert its claimed effects, the participants engaged in a battery of six cognitive tests. On reasoning ability, visual-spatial memory, reaction time, control of one’s own brain waves, and executive function (the ability to ignore irrelevant information), there were no differences in performance between the two groups. However, on short-term memory – measured via the ability to recall lists of numbers – the placebo group actually out-performed the NeuroSonic group.”